Suppose ed is going to burn a compact disk (cd) that will contain 13 songs. in how many ways can ed arrange the 13 songs on the cd?

If a line L has an equation Ax+By+C=0, what is the slope of L if B=0 an A does not equal O

6/x + 3= 3x - 6= 6 (x+3) = tip: 6/x is a fraction

The grades on the last history exam had a mean of 80%. Assume the population of grades on history exams is known to be normally distributed with a standard deviation of 5. What percent of students earn a score between 70% and 80%?

Which shows $56.28 rounded to the nearest dollar?

Thirty is what percent of 120

Simplify the expression 5 + 2 * [ (2+2) * 5+5]

The probability of winning a particular game at the Game Place is 1/4. Find the odds against winning the game.

Adam wants to know the mean number of minutes students commuting back and forth to school each day. he selects a sample of 5 students using the random digit table beginning on line 12 shown.

Select the correct product. (a + 8) (b + 3)

Amira is painting a rectangular banner 2 1/4 yards wide in the cafeteria. The banner will have a blue background. Amira has enough blue paint to cover 1 1/2 square yards of wall. Find the height of the bannerif Amira uses all of the blue paint.